Not exactly a surprise. Supply-side “solutions” used to justify tax breaks for corporations and the wealthy have never resulted in anything other than recession. Roubini explains his analysis more clearly and thoroughly than I might. Watch the video. Bloomberg has blocked linking directly; but, you can click through to YouTube.
Yes, Roubini’s a conservative economist. In this instance, his prediction of doom and gloom is founded on the track record of Republicans who try this every decade or so – and fail each time.